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A268119 Number of nX(n+3) arrays of permutations of n+3 copies of 0..n-1 with every element equal to or 1 greater than any north or west neighbors modulo n and the upper left element equal to 0. 0
1, 126, 414, 7396, 253472, 15303976, 1582675968, 276165720476 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Superdiagonal 3 of A268115.

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=4

..0..0..0..1..2..2..3....0..0..0..1..1..2..3....0..1..1..2..2..2..3

..0..1..1..1..2..3..3....0..0..1..1..1..2..3....0..1..2..3..3..3..0

..0..1..2..2..2..3..0....0..1..2..2..2..3..3....1..1..2..3..3..0..0

..1..2..3..3..3..0..1....0..1..2..2..3..3..3....1..2..2..3..0..0..1

CROSSREFS

Cf. A268115.

Sequence in context: A323759 A102805 A267556 * A202406 A202399 A201467

Adjacent sequences:  A268116 A268117 A268118 * A268120 A268121 A268122

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 26 2016

STATUS

approved

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Last modified April 20 17:54 EDT 2019. Contains 322310 sequences. (Running on oeis4.)